Malicious PDF — malware analysis report

Static analysis result for SHA-256 75aa436d2c537f0f…

MALICIOUS

PDF

17.4 KB Created: 2021-05-28 10:39:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-04
MD5: b5223d290a5126d1940405c62949c60f SHA-1: ad02b1f4ea514637e5cb79ad77bca387698f0406 SHA-256: 75aa436d2c537f0fb5b42059dd43a187524ad31235bb143331ba658884457851
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, a common tactic to disguise malicious links. It contains a single embedded URL that points to a URL shortener, which is frequently used to obscure the final destination. The document's structure and the presence of a URL shortener strongly suggest a phishing or malware delivery attempt.

Machine Learning

  • Nyx PDF Classifier clean score 0.0673

Heuristics 3

  • Image-only PDF lure links through URL shortener high PDF_IMAGE_LURE_SHORTENER_LINK
    PDF is image-heavy with little real text and its clickable action points to a URL shortener. This is a high-confidence credential-phishing carrier shape: the visible page is a screenshot-like prompt while the destination is hidden behind redirect infrastructure.
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 17 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://soldm.page.link/N9CY In PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003a65.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3A65 3072 bytes
SHA-256: 64d24732750d2b556368d7390fb422b93c7e473257bc5007d0311b8942921454

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